在传统的腹会阴联合直肠癌切除(Miles 术)术中,由于游离直肠的方法不当,发生骶前静脉丛撕裂出血,虽可用纱布压迫止血,但有时很难控制,甚至会导致失血性休克而死亡。我院自1965年至1978年,在一组149例手术切除的直肠癌患者中,发生骶前静脉丛出血者10例,占7%。作者认为,造成骶前静脉丛出血的主要原因是在游离直肠后壁时,采用非直视下的手指钝性分离法,造成 Waldeyer 氏筋 In the traditional abdominal perineal resection of colorectal cancer surgery (Miles surgery) surgery, due to improper method of rectal, sacral venous plexus tears occur, although the use of gauze to stop bleeding, but sometimes difficult to control, and even lead to hemorrhagic shock And death. In our hospital from 1965 to 1978, in a group of 149 cases of resected rectal cancer patients, occurred in 10 cases of sacral venous plexus hemorrhage, accounting for 7%. The author believes that the main cause of sacral venous plexus bleeding is the main reason for the free rectal wall, the use of non-direct finger blunt separation method, resulting in Waldeyer’s tendon